//
//  CLAnimal.h
//  Charles
//
//  Created by Leo on 2017/6/13.
//  Copyright © 2017年 charles. All rights reserved.
//

#import <Foundation/Foundation.h>

@interface Animal : NSObject

@property (strong,nonatomic) NSString *desc; //移动方式

- (NSString *)behavior;

@end

/**
 猪
 */
@interface Pig :Animal

@end

/**
 鸟
 */
@interface Bird : Animal

@end
